Heater



FIG. 1 is a front perspective view of a heater of the present invention.

FIG. 2 is a rear perspective view of a heater of the present invention.

FIG. 3 is a front elevation view of the heater of FIG. 1 .

FIG. 4 is a rear elevation view of the heater of FIG. 1

FIG. 5 is a side elevation view of the right side of the heater of FIG. 1 .

FIG. 6 is a side elevation view of the left side of the heater of FIG. 1 .

FIG. 7 is a top plan view of the heater of FIG. 1 ; and,

FIG. 8 is a bottom plan view of the heater of FIG. 1 .

In the drawings, the broken lines depict portions of the heater that form no part of the claimed design, and the dot dashed lines represent boundary lines that also form no part of the claimed design. 

CLAIM We claim the ornamental design for a heater, as shown and described. 